About this item

Replace Part Number: Direct replacement electric choke 4-BBL carburetor Replace For 1904R 1906R Rochester Quadrajet 4MV Carby. Interchange with 1980 Chevy using 1904R 17066422 17066425 17066432 17066493 17066553 17066556 17066563 17066605 17080202 17080204 17080207 17080228 17080274 17080282 17080284 17081282 17081283 17081284 17081285 17082280 17082281 17082282 17082283 17082284 17083282 17083283 17084284 17084285 17084288 17084289. 1981-1986 1906R
Fitment: Carburetor Fits For 1980-1989 Chevy 305-350c.i. engines with Chevy bowl entrance and linkage style, electric choke, 4-BBL, compatible with EGR. Main Jet: 0.073, Metering Rods: Primary-50m, Secondary-dr.Carburetor Fits For 1982-1985 CHEVY Cars & Truck ROCHESTER 650 CFM 305"-5.0 L. and 350"-5.7L Engines.Not for use with computer controlled vehicles.
This Universal Performance carburetors improve throttle response and overall performance throughout the RPM range. Each carb has a distinctly different fuel curve calibrated for a particular application. Do note: Condering the vehicle dispacement range discrepancy, some vehicles may be too rich with black smoke from the muffler, You may have to use The included tool and small copper solid pin to block the air channels to fix it, If you are confused, Message us before any adjustment
CFM:Our Carburetor For Rochester Quadrajet can range anywhere in between 600 and 800 CFM. Most are rated 750 CFM.NOTE:This carburetor is suitable for automotive. We do not recommend it for marine purpose.
Customer Service:This Item comes as shown in the picture.Please check pictures for more details.If you are uncertain about the item, feel free to contact us for confirm.Before purchase, please check carefully whether the carburetor you need to replace is the same as this product. We recommend that you search for relevant installation videos on the Internet and follow the correct steps strictly. Product does not include installation instructions.